Cloyster

Expedition Base Set · #42/165 · Rare · 2002

All 34 Cloyster cards ranked by value →
$17.54
Market price 27.0% (30d)
Prices as of Aug 22, 2026
HP 80WaterStage 1Art · Kyoko Umemoto
445graded pop
25%gem rate
3.2×PSA 10 vs raw
-36%off ATH $29.22 · Aug 2026
$5.44EV to grade — don't
Market data

Printings & price history

42 11.3% 7d$17.54
Low $10.00Mid $19.99

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Graded market

Graded values

PSA 10 report →updated 2026-08-22
Grade 6 est.$17.92
Grade 5 est.$15.09
Grade 4 est.$12.45
Grade 3 est.$10.37
Grade 2 est.$8.49
Grade 1 est.$7.17

Grades 1–6 are estimates modeled from the raw price — PSA/CGC/BGS 7–10 and Ungraded are live tracked market values.

PSA 10 price history$107.20

PSA 10 chart is building — graded values are tracked nightly, a new point appears each day.

Graded population census · updated 2026-07-07

PSA145 graded · 58 gem 10
CGC88 graded · 31 gem 10

Population data from PriceCharting, updated monthly.

More Cloyster cards all 34 ranked by value →

Attacks

10Lick
Flip a coin. If heads, the Defending Pokémon is now Paralyzed.
20×Auto Fire
Flip 4 coins. This attack does 20 damage times the number of heads.

How much is Cloyster #42/165 worth?

Cloyster #42/165 is a Rare card from Expedition Base Set (2002) — today it trades at roughly $17.54 ungraded. Across the 2 printings we track, copies run anywhere from $10.00 to $362.88 depending on the version you're holding.

Grading changes the math on this one: a PSA 10 is valued around $107.20, roughly 6.1x the raw price, while a PSA 9 sits near $35.00. 153 copies have been graded to date, and 9% of them came back a 10 — worth knowing before you pay grading fees.

These figures come from nightly market-data syncs verified against completed sales. Use the chart above to see the trend before you buy or sell.

Collecting Expedition Base Set?Full master set guide — every card, chase list, and completion cost